81297711

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20029}}^1$

素因数の和:20087

約数の個数: 24

約数和(自身を含む): 131236560

約数和(自身を除く): 49938849

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 20029, 60087, 180261, 220319, 660957, 821189, 1982871, 2463567, 7390701, 9033079, 27099237, 81297711]

約数ペア:

[(1, 81297711), (3, 27099237), (9, 9033079), (11, 7390701), (33, 2463567), (41, 1982871), (99, 821189), (123, 660957), (369, 220319), (451, 180261), (1353, 60087), (4059, 20029)]